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New 912iS Owner

in 912iS Technical Questions 9 years ago

  • Re: New 912iS Owner

    by » 8 years ago

    Pipistrel is not the only one having problems:

    ULM forum: "N° 7703072 is sport, mon dealer me dit que mes problèmes viennent de Rotax !!!!!!!"

    Translation: my dealer says that my problems come from Rotax.


    Roger, you have a real problems with your dealers!

    I am pretty sure that they do not follow your instructions, but at the end the customer is not happy.
      
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  • Re: New 912iS Owner

    by » 8 years ago

    Rob, please put me down. for a copy. hopefully it goes to print before I make irreparable mistakes :)


    Hi Rob, please put me down too for a copy.
    I have a 912iS on my gyrocopter since 3 years now and I went through all the Rotax recommended upgrades (iS Sport, charging regulators..)
    Currently waiting for the alternator stator upgrade as well.
    There is still a couple of points that I believe I did not understand at all (like the emergency battery switch setup and usage)
    It sounds to me like electronics designers (for the computing section of the engine) were talking to mechanics pals and did not fully understand each other from time to time :whistle:

    Anyways, I never ever regretted the 912iS choice. I love it !

    Have all nice flights and sunny "hello" from France
    Jose
      
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  • Re: New 912iS Owner

    by » 8 years ago

    The "book" will be free and released on Rotax-Owner. It will be in searchable pdf.
    Here is an excerpt on the back-up and start-power switches, remember this is still draft.
    -The Back-up switch is in case you need to quickly re-start the engine in the air.
    • It is much like the start power switch as it provides a separate ground and 12 volt power that “re-energizes” the ECU and fuel pumps.
    • Certification rules require the fuel pumps to stop if the engine stops. If the engine stops for any reason (ran out of fuel) the ECU and fuel pumps stop receiving power from the generators. By turning on the Back-up switch you can re-start the engine much faster.
    • The Back-up switch also provides the redundancy for the relays between the two Generators.
    • The Back-up switch must have red guard/cover over it to prevent inadvertent use and to signify it as emergency use only.
    • Caution: Do not turn ON the Back-up switch during engine start as this will defeat some of the ECU self-checks.
    -The Start-power switch is a momentary SPST(m) switch that provides 12 volts and a ground to the ECU so the engine can perform a normal start sequence. It needs to be a momentary type switch so it is OFF once the engine has started; then the ECU can perform its own self-checks. See more information regarding “start-ability” in the section “Rotary key Switches:”
    -Difference between “Start-Power” and “Back-Up” power switches: Both excite the ECU allowing it, and the fuel pumps, to power up.
    • The “Start-power” only powers up the ECU until the gen comes online.
    • The “Back-up” also powers up the ECU but it is wired differently so that it bypasses the ECU self checks (so nothing interferes with a emergency re-start)
    Thank you said by: Jose Juntas, Claus Mortensen
      
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  • Re: New 912iS Owner

    by » 8 years ago

    Here is the message of my Pipistrel dealer: "I've ordered the manifold pressure sensor, none of the service center has the sensor on stock.
    Avirex cannot promise it before August 18 th."


    The problem is 12 months old, getting worst every time I flying and there is no spare parts in ROTAX!

    It is difficult to make more "amateur".

    ROTAX, can you take my engine back? I have contacted ICP, I am interested to change the 921iS by a M09. In any case it cannot be worst!
      
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  • Re: New 912iS Owner

    by » 8 years ago

    [quote]Have they resolved the gearbox problems with the IS model?[/quote]

    Garret asked this Q a few weeks back but I don't see any response. The reason I ask is that I now have 170hrs on my engine and am starting to think I might be detecting the occasional vibration - it does not appear to be constant. I had the prop dynamically balanced so doubt that is likely source. I have also throughly checked mounts and other possible sources of any vibration. I would be interested to hear from others and perhaps Roger about what to look for/expect, and what should be done about it if gearbox vibration is suspected?

    Apart from this, engine has run very well once the poor electrical connections in fuel pump and sensors (causing fuel pump failure and lane B light) have been trussed up by cable ties! I must admit to being disappointed by this. I thought Rotax might have designed a refit of electrical connections program rather than a rather amateur fix. My 170 hrs has been since last Oct. first flight and included and rtn crossing of Australia - didnt miss a beat.

    cheers

    ross
      
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